air jacket
短语充气救生衣 [机] 空气套
词形变化
air jackets
复数
air jackets
别名
airjacket
释义与例句
n.
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1.
A lifejacket.
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2.
An inflatable vest worn to cushion falls.
动物学 体育1765, George Alexander Stevens, The Celebrated Lecture on Heads, London: R. Richards, Part 3, p. 16, […] our army all should wear a new uniform; all our horse infantry should wear air jackets, and all our foot cavalry should wear cork waistcoats; and then ye know why they’d be all over the sea before you could say Jack Robinson.
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3.
An enclosed space containing nothing but air that surrounds something in order to provide insulation.